Department of Minimal-Invasive Intervention, The Affiliated Cancer Hospital of Zhengzhou University, Zhengzhou, China
Lin Zheng , Hailiang Li , Chenyang Guo , Hongtao Hu , Fangkun Li
Background: Given that the onset of hepatocellular carcinoma (HCC) remained insidious, HCC was usually diagnosed of intermediate and advaned stage and surgical resection was not available. Currently, TACE was considered as the standard of care for patients with intermediate and advaned stage HCC, which yielded a complete tumor necrosis rate of 10%̃20% and a median overall survival of 16-20 months. Interestingly, studies had demonstrated that TACE could result in up-regulation of VEGF expression and tumor angiogenesis, thus contributing to tumor recurrence or distant metastasis to some extent. As a novel oral multi-target antiangiogenic TKI, anlotinib could inhibit both tumor angiogenesis and tumor cell proliferation simultaneously. Therefore, anlotinib combined with TACE might play a synergistic action for patients with HCC. Consequently,this retrospective study aimed to investigate the efficacy and safety of anlotinib combined with TACE for patients with intermediate and advaned stage HCC. Methods: This single-center retrospective study involved 75 HCC patients with intermediate and advaned stage BCLC staging B or C and ECOG PS ≤ 2. Enrolled pts was treated with TACE plus anlotinib (12 mg, qd, 2 weeks on 1 week off) until disease progression or unacceptable toxicity. The primary endpoint was overall survival (OS), while the secondary outcomes included safety, objective response rate (ORR), disease control rate (DCR) and progression free survival (PFS) and safety. Both PFS and tumor response were based on the modified Response Evaluation Criteria in Solid Tumors (mRECIST). Results: By the cutoff date of August, 2021, the median PFS of the 75 pts was 8.0 months (95%CI, 6.3-9.7). The median OS was not yet reached and the 6-month OS rate was 97.3%. In best overall response assessment, there were 13.3% CR (10/75), 45.3% PR (34/75), 34.7% SD (26/75) and 6.7% PD (5/75). Confirmed ORR and DCR was 58.7% (95% CI: 46.7%-69.9%) and 93.3% (95% CI: 85.1%-97.8%) respectively according to mRECIST. Only 5.3% (4/75) of pts had grade 3 treatment-related adverse events (TRAEs). No grade ≥ 4 TRAEs were observed. And the most common TRAEs were hypertension (20%), hand-foot skin reaction (8%), anorexia (6.7%) and diarrhea (6.6%). Conclusions: It was indicated that anlotinib combined with TACE for patients with intermediate and advaned stage HCC demonstrated promising anti-tumor efficacy and a favorable safety profile. The conclusion should be validated in prospective clinical trials subsequently.
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